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1 /* | |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #include "config.h" | |
27 #include "core/accessibility/AXSpinButton.h" | |
28 | |
29 #include "core/accessibility/AXObjectCacheImpl.h" | |
30 #include "core/rendering/RenderObject.h" | |
31 | |
32 namespace blink { | |
33 | |
34 PassRefPtr<AXSpinButton> AXSpinButton::create() | |
35 { | |
36 return adoptRef(new AXSpinButton); | |
37 } | |
38 | |
39 AXSpinButton::AXSpinButton() | |
40 : m_spinButtonElement(0) | |
41 { | |
42 } | |
43 | |
44 AXSpinButton::~AXSpinButton() | |
45 { | |
46 } | |
47 | |
48 LayoutRect AXSpinButton::elementRect() const | |
49 { | |
50 ASSERT(m_spinButtonElement); | |
51 | |
52 if (!m_spinButtonElement || !m_spinButtonElement->renderer()) | |
53 return LayoutRect(); | |
54 | |
55 return m_spinButtonElement->renderer()->absoluteFocusRingBoundingBoxRect(); | |
56 } | |
57 | |
58 void AXSpinButton::addChildren() | |
59 { | |
60 m_haveChildren = true; | |
61 | |
62 AXSpinButtonPart* incrementor = toAXSpinButtonPart(axObjectCache()->getOrCre
ate(SpinButtonPartRole)); | |
63 incrementor->setIsIncrementor(true); | |
64 incrementor->setParent(this); | |
65 m_children.append(incrementor); | |
66 | |
67 AXSpinButtonPart* decrementor = toAXSpinButtonPart(axObjectCache()->getOrCre
ate(SpinButtonPartRole)); | |
68 decrementor->setIsIncrementor(false); | |
69 decrementor->setParent(this); | |
70 m_children.append(decrementor); | |
71 } | |
72 | |
73 void AXSpinButton::step(int amount) | |
74 { | |
75 ASSERT(m_spinButtonElement); | |
76 if (!m_spinButtonElement) | |
77 return; | |
78 | |
79 m_spinButtonElement->step(amount); | |
80 } | |
81 | |
82 // AXSpinButtonPart | |
83 | |
84 AXSpinButtonPart::AXSpinButtonPart() | |
85 : m_isIncrementor(false) | |
86 { | |
87 } | |
88 | |
89 PassRefPtr<AXSpinButtonPart> AXSpinButtonPart::create() | |
90 { | |
91 return adoptRef(new AXSpinButtonPart); | |
92 } | |
93 | |
94 LayoutRect AXSpinButtonPart::elementRect() const | |
95 { | |
96 // FIXME: This logic should exist in the render tree or elsewhere, but there
is no | |
97 // relationship that exists that can be queried. | |
98 | |
99 LayoutRect parentRect = parentObject()->elementRect(); | |
100 if (m_isIncrementor) { | |
101 parentRect.setHeight(parentRect.height() / 2); | |
102 } else { | |
103 parentRect.setY(parentRect.y() + parentRect.height() / 2); | |
104 parentRect.setHeight(parentRect.height() / 2); | |
105 } | |
106 | |
107 return parentRect; | |
108 } | |
109 | |
110 bool AXSpinButtonPart::press() const | |
111 { | |
112 if (!m_parent || !m_parent->isSpinButton()) | |
113 return false; | |
114 | |
115 AXSpinButton* spinButton = toAXSpinButton(parentObject()); | |
116 if (m_isIncrementor) | |
117 spinButton->step(1); | |
118 else | |
119 spinButton->step(-1); | |
120 | |
121 return true; | |
122 } | |
123 | |
124 } // namespace blink | |
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